M-Audio Sputnik | Multi-Pattern Large-Diaphragm Vacuum Tube Condenser Microphone with Flight Case, Shock Mount & Power Supply 1" diameter evaporated gold diaphragm offers smooth, accurate sound 3 switchable pickup patterns useful for many critical applications Military-grade 6205M vacuum tube vintage tube warmth, fast response Solid brass body and capsule &gt; delivers protection and reliability Complete ready-to-use package Includes flight case, shock mount, and power supply